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Poster: dark.starz Date: Sep 13, 2012 7:40pm
Forum: GratefulDead Subject: Re: Tape-flips (probably a stoopid question)

A 7" 1800 ft. reel tape running at 7 1/2 IPS (inches per second) runs for approximately 48 minutes, at 15 IPS somewhere @ 24 minutes.

A 10 1/2" 2400 ft. reel tape running at 7 1/2 IPS runs for approximately 60 minutes, at 15 IPS somewhere @ 30 minutes.

When the folks at the board were paying attention, flips and changes could be managed between songs and sets. Sometimes due to the length and continuation of songs -> particularly their second sets, reel changes happen in the middle of songs.

In the 80s with the audience cassette tapers you would flip side A of the first set 90 minute tape if you were close to the end (within 7 minutes remaining) between song breaks.

Side A of the second set tape usually ran out in drums, you just did a fast flip no big deal. Encores usually ended up on side B of the first set tape.

After 1976, most shows became more predictable in terms of the length of both the first and second sets which coincided nicely with two 90 minute cassette tapes.




This post was modified by dark.starz on 2012-09-14 02:40:58

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Poster: Tidewater four ten O nine Date: Sep 12, 2012 9:31pm
Forum: GratefulDead Subject: Re: Tape-flips (probably a stoopid question)

Yo, see you can type !!!!!

Meet ya in the William Tell Restaurant/Bar (Hua Hin, Thailand), the beers are on me.